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Biomedical subjects

Lynn C Richman

Publications and source records attributed to Lynn C Richman.

4 recordsLinked to original sources
PubMed2004

Overdiagnosis and medication for attention-deficit hyperactivity disorder in children with cleft: diagnostic examination and follow-up.

OBJECTIVE: To examine the diagnosis of attention-deficit hyperactivity disorder (ADHD) in children with cleft to determine whether language-learning characteristics are taken into account when making this diagnosis. DESIGN: Prospective examination of 177 consecutive patients. Objective behavioral ratings, cognitive assessments, and attention/impulsivity testing of 32 of the 177 children with nonsyndromic cleft lip and palate (CLP) who had previously been diagnosed as ADHD and were receiving medication were performed. the prospective 6- to 9-month follow-up examination was examined to determine the accuracy of prior and posttest diagnoses. SETTING: University hospital-based cleft palate clinic. MAIN OUTCOME MEASURES: Pretest/posttest design to determine accuracy of DSM-IV psychiatric diagnosis. RESULTS AND CONCLUSIONS: The results show that the proportion of children originally diagnosed with ADHD (18%) was significantly higher than posttest diagnosis of ADHD (6% p <.001). Also, the frequency of pretest diagnosis of learning disorder (LD; 31%) was significantly different from posttest diagnosis (66% p <.01). The overdiagnosis of ADHD and underdiagnosis of LD in this sample of children with nonsyndromic unilateral cleft lip and palate appears to be due to lack of language-learning assessment.

Attention Deficit Disorder with Hyperactivity↗
PubMed2003

Do the reading disabilities of children with cleft fit into current models of developmental dyslexia?

OBJECTIVE: The purpose of this study was to determine whether the reading problems of children with cleft fit models of developmental dyslexia. DESIGN: The study compared children with nonsyndromic cleft lip and palate who had reading disability (n = 46) with those who did not have reading disability (n = 46). The children were matched for age, sex, and grade. The two groups were compared (t tests) on measures of verbal expression, phonemic awareness, and rapid naming. Also, regression analyses compared the relative relationships of these variables to reading disability. PARTICIPANTS: Children were selected from 154 patients originally screened. RESULTS: Children with reading disability scored significantly lower on rapid naming and verbal expression, with no differences found on phonemic awareness. Rapid naming was shown to have the most significant association with reading disability. CONCLUSION: Children with nonsyndromic cleft lip and palate show symptoms similar to a naming-memory deficit model of developmental dyslexia. Reading treatment should avoid sight word approaches and focus on oral phonics treatment.

Anomia↗
PubMed2002

Learning disability subtypes: classification of high functioning hyperlexia.

This study examined 30 children with hyperlexic reading patterns and average intelligence to determine if established learning disability subtypes could be applied to these children with hyperlexia. Two groups emerged. One type showed language learning disorder patterns with good visual memory. This group also showed a high percentage of phonetic word errors. A second hyperlexic group showed signs of nonverbal learning disorder with visual spatial deficits and impaired visual memory. This latter subgroup showed few phonetic errors with more sight word errors. These findings suggest subtypes of high functioning hyperlexia, one showing language deficits characteristic of dysphasia and one showing patterns similar to visual spatial dyslexia.

Adolescent↗